Home / 1,175,702.64-1,622,462.04-639,158.64

Finding the Fourth Proportional to 1,175,702.64, 1,622,462.04 and 639,158.64

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Solution

The fourth proportional to 1,175,702.64, 1,622,462.04 and 639,158.64 is: 882,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,702.64 : 1,622,462.04 = 639,158.64 : x
  2. Step 2: Convert to fraction form
    1,175,702.64/1,622,462.04 = 639,158.64/x
  3. Step 3: Cross multiply
    1,175,702.64x = 1,622,462.04 × 639,158.64
  4. Step 4: Simplify right side
    1,175,702.64x = 1,037,010,630,938.03
  5. Step 5: Solve for x
    x = 1,037,010,630,938.03/1,175,702.64
  6. Step 6: Final answer
    x = 882,034.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.